/*
Author:
	luistar15, <leo020588 [at] gmail.com>
License:
	MIT-style license.
 
Class
	noobSlide (rev.03-11-10)

Arguments:
	options - see Options below

Options:
	box: dom element | required
	items: dom collection | required
	size: int | item size (px) | default: 240
	mode: string | 'horizontal', 'vertical' | default: 'horizontal'
	interval: int | for peridical | default: 5000
	buttons:{
		previous: single dom element OR dom collection| default: null
		next:  single dom element OR dom collection | default: null
		play:  single dom element OR dom collection | default: null
		playback:  single dom element OR dom collection | default: null
		stop:  single dom element OR dom collection | default: null
	}
	button_event: string | event type | default: 'click'
	handles: dom collection | default: null
	handle_event: string | event type| default: 'click'
	fxOptions: object | Fx.Style options | default: {duration:500,wait:false}
	autoPlay: boolean | default: false
	onWalk: event | pass arguments: currentItem, currentHandle | default: null
	startItem: int

Properties:
	box: dom element
	items: dom collection
	size: int
	mode: string
	interval: int
	buttons: object
	button_event: string
	handles: dom collection
	handle_event: string
	previousIndex: int
	nextIndex: int
	fx: Fx.style instance
	autoPlay: boolean
	onWalk: function
	
Methods:
	previous(manual): walk to previous item
		manual: bolean | default:false
	next(manual): walk to next item
		manual: bolean | default:false
	play (delay,direction,wait): auto walk items
		delay: int | required
		direction: string | "previous" or "next" | required
		wait: boolean | required
	stop(): sopt auto walk
	walk(item,manual): walk to item
		item: int | required
		manual: bolean | default:false
	addHandleButtons(handles):
		handles: dom collection | required
	addActionButtons(action,buttons):
		action: string | "previous", "next", "play", "playback", "stop" | required
		buttons: dom collection | required

*/
var noobSlide = new Class({

    initialize: function(params) {
        this.items = params.items;
        this.mode = params.mode || 'horizontal';
        this.modes = { horizontal: ['left', 'width'], vertical: ['top', 'height'] };
        this.size = params.size || 240;
        this.box = params.box.setStyle(this.modes[this.mode][1], (this.size * this.items.length) + 'px');
        this.button_event = params.button_event || 'click';
        this.handle_event = params.handle_event || 'click';
        this.interval = params.interval || 5000;
        this.buttons = { previous: [], next: [], play: [], playback: [], stop: [] };
        if (params.buttons) {
            for (var action in params.buttons) {
                this.addActionButtons(action, $type(params.buttons[action]) == 'array' ? params.buttons[action] : [params.buttons[action]]);
            }
        }
        this.handles = params.handles || null;
        if (this.handles) {
            this.addHandleButtons(this.handles);
        }
        this.fx = new Fx.Style(this.box, this.modes[this.mode][0], params.fxOptions || { duration: 500, wait: false });
        this.onWalk = params.onWalk || null;
        this.currentIndex = params.startItem || 0;
        this.previousIndex = null;
        this.nextIndex = null;
        this.autoPlay = params.autoPlay || false;
        this._auto = null;
        this.box.setStyle(this.modes[this.mode][0], (-this.currentIndex * this.size) + 'px');
        //  alert(this.box.setStyle);
        if (params.autoPlay) this.play(this.interval, 'next', true);
    },

    previous: function(manual) {
        this.currentIndex += this.currentIndex > 0 ? -1 : this.items.length - 1;
        this.walk(null, manual);
    },

    next: function(manual) {
        this.currentIndex += this.currentIndex < this.items.length - 1 ? 1 : 1 - this.items.length;
        this.walk(null, manual);
    },

    play: function(delay, direction, wait) {
        this.stop();
        if (!wait) {
            this[direction](false);
        }
        this._auto = this[direction].periodical(delay, this, false);
    },
    playreg: function(manual) {
        wait = true;
        this[direction](true);
        this._auto = this[direction].periodical(2,"next", true);
    },

    stop: function() {
        $clear(this._auto);
    },

    walk: function(item, manual) {

        if ($defined(item)) {
            if (item == this.currentIndex) return;
            this.currentIndex = item;
        }
        
        this.previousIndex = this.currentIndex + (this.currentIndex > 0 ? -1 : this.items.length - 1);
        this.nextIndex = this.currentIndex + (this.currentIndex < this.items.length - 1 ? 1 : 1 - this.items.length);
        if (manual) { }
        //this.stop();
        this.fx.start(-this.currentIndex * this.size);
        if (this.onWalk) { this.onWalk(this.items[this.currentIndex], (this.handles ? this.handles[this.currentIndex] : null)); }
        if (manual && this.autoPlay) { this.play(this.interval, 'next', true); }
    },

    addHandleButtons: function(handles) {
        for (var i = 0; i < handles.length; i++) {
            handles[i].addEvent(this.handle_event, this.walk.pass([i, true], this));
        }
    },

    addActionButtons: function(action, buttons) {
        for (var i = 0; i < buttons.length; i++) {
            switch (action) {
                case 'previous': buttons[i].addEvent(this.button_event, this.previous.pass([true], this)); break;
                case 'next': buttons[i].addEvent(this.button_event, this.next.pass([true], this)); break;
                case 'play': buttons[i].addEvent(this.button_event, this.play.pass([this.interval, 'next', false], this)); break;
                case 'playback': buttons[i].addEvent(this.button_event, this.play.pass([this.interval, 'previous', false], this)); break;
                case 'stop': buttons[i].addEvent(this.button_event, this.stop.create({ bind: this })); break;
            }
            this.buttons[action].push(buttons[i]);
        }
    }

});